The surface of 55 Cnc e, known as the "hell planet," is so hot (roughly 3,600 degrees Fahrenheit) that its surface is an ocean of lava.

By spotting and counting tiny galaxies, we can work out how much dark matter is hiding in the cosmos.

New findings confirm that JWST has surpassed the Hubble telescope in its ability to observe the early Universe

China has completed construction of the Tiangong space station, and science projects are now underway. The station is an important piece of China’s ambitious plans for space activity in coming years.

Current measurements of black holes are not enough to nail down how the invisible giants form in the universe, researchers say.

Thanks to the new James Webb Space Telescope, astronomers are getting a clearer picture of an exoplanet about 700 light years away.

Researchers have exposed a major vulnerability in a networking technology widely used in spacecraft, aircraft, and energy generation systems.

Researchers have exposed a major vulnerability in a networking technology widely used in spacecraft, aircraft, and energy generation systems.

The observations could illuminate how supermassive black holes feed and grow.